/* Navigation */

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 4vw, 48px);
  background: transparent;
  transition: transform 0.4s var(--ease-smooth), background 0.5s var(--ease-smooth), backdrop-filter 0.5s;
  will-change: transform;
}
.nav.scrolled {
  background: rgba(0, 13, 46, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
}
.nav.nav-hidden {
  transform: translateY(-100%);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}
.nav-logo {
  font-family: 'Instrument Sans', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  opacity: 0.9;
}
.nav-logo span { color: var(--brn-blue-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.25s var(--ease-smooth);
  white-space: nowrap;
}
.nav-links a:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 7px 20px;
  background: #ffffff;
  color: var(--brn-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.3s var(--ease-smooth);
  border: 1px solid rgba(255,255,255,0.9);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--brn-blue-accent);
  color: #ffffff;
  border-color: var(--brn-blue-accent);
  box-shadow: 0 0 20px rgba(91,155,255,0.2);
}

	.nav-links .nav-cta {
		display:none;
	}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 12px;
  z-index: 1002;
  position: relative;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.nav.nav-open .nav-toggle {
  position: fixed;
  top: 14px;
  right: clamp(12px, 4vw, 36px);
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { display:none !important;}

  /* Mobile menu — fullscreen overlay */
  .nav.nav-open .nav-links {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: rgba(0, 13, 46, 0.99);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 80px 32px 40px;
    gap: 8px;
    z-index: 100001;
    overflow-y: auto;
    animation: navSlideIn 0.3s var(--ease-out);
  }
  /* Hide review widget when menu is open */
  body.nav-locked .rv-bar,
  body.nav-locked .rv-btn { display: none !important; }
  /* Toggle button above menu overlay */
  .nav.nav-open .nav-toggle { z-index: 100002 !important; }
  .nav.nav-open .nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    padding: 16px 24px;
    border-radius: 12px;
    color: rgba(255,255,255,0.85);
    text-align: center;
    width: 100%;
    max-width: 300px;
    letter-spacing: -0.01em;
  }
  .nav.nav-open .nav-links a:hover,
  .nav.nav-open .nav-links a:active {
    background: rgba(255,255,255,0.08);
    color: #ffffff;
  }
  /* CTA always visible on mobile nav bar */
  .nav-cta {
    display: none !important;
    z-index: 1002;
    position: relative;
  }
  .nav.nav-open .nav-cta { display: block !important; }
}

@keyframes navSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

[data-theme="light"] .nav.nav-open .nav-links {
  background: rgba(0, 13, 46, 0.97);
}
[data-theme="light"] .nav.nav-open .nav-links a {
  color: rgba(255,255,255,0.85);
}
[data-theme="light"] .nav.nav-open .nav-links a:hover,
[data-theme="light"] .nav.nav-open .nav-links a:active {
  background: rgba(255,255,255,0.08);
  color: #ffffff;
}

body.nav-locked { overflow: hidden; }